Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1978-07-21
1980-04-22
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430573, 430576, 430578, 430583, 430591, 430592, G03C 176, G03C 110, G03C 114, G03C 119
Patent
active
041993608
ABSTRACT:
A method of spectrally sensitizing a photographic light-sensitive emulsion where a water-soluble solution, prepared by dissolving a methine dye having at least one water-soluble group in water in the presence of a "Red Shift Compound", as hereinafter defined, is added to a photographic light-sensitive emulsion to provide a photographic light-sensitive emulsion spectrally sensitized with increased sensitizing efficiency and with reduced fog. The disadvantages caused by the use of high organic solvent contents are avoided and photographic light-sensitive emulsions suitable for high-speed coating are obtained.
REFERENCES:
patent: 2933390 (1960-04-01), McFall et al.
patent: 2937089 (1960-05-01), Jones et al.
patent: 3615641 (1971-10-01), Shiba et al.
patent: 3822135 (1974-07-01), Sakai et al.
Adachi Keiichi
Hinata Masanao
Mihara Yuji
Shishido Tadao
Fuji Photo Film Co. , Ltd.
Schilling Richard L.
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